The Navien NFC‑250/200H is a premium commercial‑grade residential combi boiler engineered to deliver powerful hydronic heating and high‑capacity domestic hot water from a single, ultra‑efficient wall‑mounted unit. With 210,000 BTU of DHW output, 95% AFUE, and a wide 13:1 turndown ratio, this model is built for large homes, multi‑bath applications, and demanding installations requiring top‑tier performance and reliability. It operates on natural gas or propane, offering maximum flexibility.
Key Features
High‑Efficiency Condensing Performance
95% AFUE for exceptional energy savings
210,000 BTU DHW / 199,000 BTU heating class performance
Dual stainless‑steel heat exchangers for long‑term durability
Low NOx emissions for cleaner operation
High‑Capacity Combi System
Provides hydronic space heating and endless domestic hot water
Ideal for large homes, multi‑bath properties, and high‑demand usage
Eliminates the need for a separate water heater
13:1 Turndown Ratio
Ultra‑wide modulation range for precise output
Reduces cycling, improves comfort, and lowers fuel consumption
Fuel Flexibility
Operates on natural gas or propane
Perfect for homes without natural gas service or those upgrading from older LP systems
Commercial‑Grade Components
Robust fire‑tube heat exchanger design
High‑flow DHW performance with built‑in recirculation capability
Designed for long service life and reduced maintenance
Smart Navien Controls
Intuitive digital interface with advanced diagnostics
Outdoor reset compatibility for improved efficiency
Ready for cascading and common‑venting applications
Compact Wall‑Mounted Cabinet
Saves valuable floor space
Quiet operation suitable for utility rooms and tight mechanical areas
Dimensions
Height: 34.4 in
Width: 17.3 in
Depth: 15.6 in
Ideal For
Large homes with high heating and hot‑water demand
Multi‑bath or multi‑zone hydronic systems
High‑efficiency upgrades and replacements
Natural gas or propane installations
We service and install all types of HVAC heating and cooling equipment throughout Long Island, including (but not limited to) this coverage area:
Nassau County: Oyster Bay, Hempstead, North Hempstead, Glen Cove, Long Beach, Freeport, Valley Stream, Garden City, Great Neck, Mineola, Hicksville, Levittown, Massapequa, Bethpage, Plainview, Syosset, Jericho, Westbury, Rockville Centre, Farmingdale
Suffolk County: Huntington, Babylon, Islip, Smithtown, Brookhaven, Riverhead, Shelter Island, Southold, Southampton, East Hampton, Commack, Deer Park, Lindenhurst, Bay Shore, Brentwood, Central Islip, Hauppauge, Centereach, Selden, Medford, Patchogue, Shirley
Contact us today at (631) 779-3196
